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// CodeMirror, copyright (c) by Marijn Haverbeke and others |
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// Distributed under an MIT license: http://codemirror.net/LICENSE |
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|
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(function(mod) { |
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if (typeof exports == "object" && typeof module == "object") // CommonJS |
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mod(require("../../lib/codemirror")); |
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else if (typeof define == "function" && define.amd) // AMD |
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define(["../../lib/codemirror"], mod); |
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else // Plain browser env |
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mod(CodeMirror); |
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})(function(CodeMirror) { |
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"use strict"; |
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|
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var listRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/, |
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emptyListRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/, |
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unorderedListRE = /[*+-]\s/; |
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|
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CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) { |
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if (cm.getOption("disableInput")) return CodeMirror.Pass; |
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var ranges = cm.listSelections(), replacements = []; |
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for (var i = 0; i < ranges.length; i++) { |
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var pos = ranges[i].head; |
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var eolState = cm.getStateAfter(pos.line); |
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var inList = eolState.list !== false; |
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var inQuote = eolState.quote !== 0; |
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|
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var line = cm.getLine(pos.line), match = listRE.exec(line); |
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var cursorBeforeBullet = /^\s*$/.test(line.slice(0, pos.ch)); |
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if (!ranges[i].empty() || (!inList && !inQuote) || !match || cursorBeforeBullet) { |
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cm.execCommand("newlineAndIndent"); |
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return; |
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} |
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if (emptyListRE.test(line)) { |
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if (!/>\s*$/.test(line)) cm.replaceRange("", { |
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line: pos.line, ch: 0 |
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}, { |
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line: pos.line, ch: pos.ch + 1 |
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}); |
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replacements[i] = "\n"; |
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} else { |
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var indent = match[1], after = match[5]; |
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var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0 |
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? match[2].replace("x", " ") |
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: (parseInt(match[3], 10) + 1) + match[4]; |
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|
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replacements[i] = "\n" + indent + bullet + after; |
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|
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incrementRemainingMarkdownListNumbers(cm, pos); |
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} |
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} |
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|
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cm.replaceSelections(replacements); |
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}; |
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|
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// Auto-updating Markdown list numbers when a new item is added to the |
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// middle of a list |
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function incrementRemainingMarkdownListNumbers(cm, pos) { |
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var startLine = pos.line, lookAhead = 0, skipCount = 0; |
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var startItem = listRE.exec(cm.getLine(startLine)), startIndent = startItem[1]; |
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|
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do { |
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lookAhead += 1; |
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var nextLineNumber = startLine + lookAhead; |
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var nextLine = cm.getLine(nextLineNumber), nextItem = listRE.exec(nextLine); |
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|
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if (nextItem) { |
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var nextIndent = nextItem[1]; |
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var newNumber = (parseInt(startItem[3], 10) + lookAhead - skipCount); |
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var nextNumber = (parseInt(nextItem[3], 10)), itemNumber = nextNumber; |
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|
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if (startIndent === nextIndent) { |
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if (newNumber === nextNumber) itemNumber = nextNumber + 1; |
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if (newNumber > nextNumber) itemNumber = newNumber + 1; |
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cm.replaceRange( |
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nextLine.replace(listRE, nextIndent + itemNumber + nextItem[4] + nextItem[5]), |
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{ |
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line: nextLineNumber, ch: 0 |
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}, { |
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line: nextLineNumber, ch: nextLine.length |
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}); |
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} else { |
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if (startIndent.length > nextIndent.length) return; |
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// This doesn't run if the next line immediatley indents, as it is |
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// not clear of the users intention (new indented item or same level) |
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if ((startIndent.length < nextIndent.length) && (lookAhead === 1)) return; |
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skipCount += 1; |
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} |
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} |
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} while (nextItem); |
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} |
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}); |
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